Perhaps it's because I didn't have a spell in supermarket retail when I was younger, but the idea of scanning barcodes and getting that "beep!" sound makes me all a-quiver. Someone at My Movies ...

I’ve always considered barcodes to be one of those invisible innovations that profoundly changed the world. What we might recognize as modern barcodes were originally designed as a labor-saving device ...

As phones, planners, cameras and miniature computers, cell phones provide many convenient functions for businesses. One of the newest features allows you to look up information based on barcodes.